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(Part SP) Refer to the above figure, this model has [a] deci…

(Part SP) Refer to the above figure, this model has [a] decision variables. 

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Question 2.1.1   Joseph Priestley invented fizzy drink…

Question 2.1.1   Joseph Priestley invented fizzy drinks by adding a gas he called ‘heavy air’. What is the name of the gas now? [ans1] (1)

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Question 1.4.1 In solids, liquids and gases the particl…

Question 1.4.1 In solids, liquids and gases the particles behave in different ways. Describe how the particles in solids behave. (1)

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[Part2] There are five corner points: (X1, X2)={(0,0),(8,0),…

[Part2] There are five corner points: (X1, X2)={(0,0),(8,0),(8,2),(4,6),(0,8)}.The optimal solution is ______________?

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(Part SP) Consider the following shortest path problem where…

(Part SP) Consider the following shortest path problem where node 1 is the starting node and node 6 is the destination node. What is the constraint associated with node 1?

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Question 1.4.3   Describe how the particles in liquids…

Question 1.4.3   Describe how the particles in liquids behave. (1)

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Question 1.4.2   Describe how the particles in gases b…

Question 1.4.2   Describe how the particles in gases behave. (1)

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The IP solution can sometimes produce a better objective fun…

The IP solution can sometimes produce a better objective function value than its LP relaxed problem.

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[Part1] A redundant constraint is eliminated from a linear p…

[Part1] A redundant constraint is eliminated from a linear programming model. What effect will this have on the optimal solution?

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(Part SA) If the profit for product X was reduced to $4 (i.e…

(Part SA) If the profit for product X was reduced to $4 (i.e., $5 becomes  $4) while at the same time the profit for product Y was increased to $7 ($4 becomes  $7), the optimal solution values (i.e., X and Y) would be same. What is the value of “100% Rule”?

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